S818 datasheet(15/23 Pages) SII

Part #	S818

Description	LOW DROPOUT CMOS VOLTAGE REGULATOR

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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15 / 23 page

Rev.1.2

LOW DROPOUT CMOS VOLTAGE REGULATOR

S-818 Series

Seiko Instruments Inc.

(2) Power on/off control

VIN=10V ON/OFF=0

→10V IOUT=30mA

TIME(50usec/div)

10V

CL=4.7

µF

CL=2

µF

VIN

VOUT

Load dependence of overshoot

Output capacitor (CL) dependence of overshoot

0.0

0.2

0.4

0.6

0.8

1.0

1.E-05

1.E-04

1.E-03

1.E-02

1.E-01

1.E+00

IOUT(A)

VOUT=2V

IN=VOUT(S)+1V , CL=2µF, ON/OFF=0→VOUT(S)+1V

0.0

0.2

0.4

0.6

0.8

1.0

100

CL(uF)

IN=VOUT(S)+1V IOUT=30mA, ON/OFF=0→VOUT(S)+1V

VOUT=2V

VDD dependence of overshoot

Temperature dependence of overshoot

0.0

0.2

0.4

0.6

0.8

1.0

02468

VDD(V)

IN=VDD ,IOUT=30mA, CL=2µF, ON/OFF=0→VDD

VOUT=2V

0.0

0.2

0.4

0.6

0.8

1.0

-50050

100

°C

IN=VOUT(S)+1V ,IOUT=30mA, CL=2µF, ON/OFF=0→VOUT(S)+1V

VOUT=2V

S818 Datasheet(PDF) 15 Page - Seiko Instruments Inc

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